470 to 120 swap

Rranger

Rranger

Chief Petty Officer
Joined
May 18, 2009
Messages
467
I have a complete 120hp mercruiser setup prop to front engine pulley installed in a boat now. Have a chance for a better boat with a blown 470. If I completely strip the 470 down to the bare transom will there be any issues besides front motor mounts? Or is there more potential problems? I realize less speed with the 120 but it will get me to where I want to go.
 
Bondo

Bondo

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Staff member
Joined
Apr 17, 2002
Messages
71,451
Rranger said:
I have a complete 120hp mercruiser setup prop to front engine pulley installed in a boat now. Have a chance for a better boat with a blown 470. If I completely strip the 470 down to the bare transom will there be any issues besides front motor mounts? Or is there more potential problems? I realize less speed with the 120 but it will get me to where I want to go.
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Ayuh,...... Should be a plug, 'n play,.....
 
matt167

matt167

Rear Admiral
Joined
Sep 27, 2012
Messages
4,399
If the donor boat is older than mid 70s the transom cutout is slightly smaller. But very doable if you have 2 complete boats
 
Rranger

Rranger

Chief Petty Officer
Joined
May 18, 2009
Messages
467
Rranger said:
I have a complete 120hp mercruiser setup prop to front engine pulley installed in a boat now. Have a chance for a better boat with a blown 470. If I completely strip the 470 down to the bare transom will there be any issues besides front motor mounts? Or is there more potential problems? I realize less speed with the 120 but it will get me to where I want to go.
Click to expand...
Thank you matt167. Been awhile since I seen u on here Bondo I have great respect for your opinions. Thank you.
 
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